Chomplr vs mKer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chomplr
This app allows for creative sample manipulation on iOS, enabling users to chop, edit, and add effects to audio samples. It functions as a standalone module or an AUv3 plugin for use in various music production apps. Import your own sounds or explore a royalty-free library.
- Unique sample chopper for iOS
- Standalone and AUv3 plugin
- Over 150 royalty-free stock samples
- Built-in sample store
- Stock FX suite
- Chromatic sample mode
- Detailed sample editing parameters
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The Chomplr name is taken from sample "Chopping Rompler", inspired by the timeless workflow of creating music using samples to make new works. As of version 1.2.0, you can now import your own samples into Chomplr. Chomplr brings a new iOS approach to creative sample manipulation. As a standalone module or AUv3 plugin, Chomplr offers quick access to it's robust sample library and an online store is built in. Samples for use within Chomplr are royalty free. Sample data can be edited and one or more effects added and adjusted in quick and simple fashion. While a wealth of parameters are provided, the true user experience and inspiration comes from slicing, tweaking and editing while playing by ear. Chomplr installs as an iOS AUv3 plugin instrument, compatible for use within host apps such as Garageband, Beatmaker 3, Cubasis, Audiobus, AUM, iMPC, and more. Key Features: • Unique sample chopper for iOS music making • Includes both standalone and AUv3 (plugin) capability • Compatible with Garageband, Beatmaker 3, AUM, Audiobus, Cubasis, Nano Studiok, iMPC, and many more hosts • Stock library of over 150 original, award winning samples by MSXII Sound Design. All royalty free within Chomplr. • Built-in store with hundreds of samples to preview & purchase • Stock FX such as Lofi, Echo, Flanger, LP & HP filters, Drive, Reverb & Dirt • Chromatic sample mode allowing a sample chop to be played across keys • Sample editing parameters, per chop, such as Start, End, Attack, Release, Tune, Vol, Pan, Loop, and Reverse • A comprehensive user manual available at: msxaudio.com/pages/iosapps • Robust roadmap that includes many features to come! Series of Chomplr videos to get you going: https://www.youtube.com/playlist?list=PLTD5F5uQpHAvUctTuQyROmMlkKZo9guGj Info on all MSXII Sound Design Apps: https://www.msxaudio.com/pages/iosapps Join the user forum for tips/tricks/support: https://www.msxaudio.com/community/chat Visit us: https://msxaudio.com Peace, love, & blessings to all. Thank you for checking out Chomplr.
mKer
A versatile MIDI step sequencer designed for music creation. It offers multiple outputs, extensive pattern and lane customization, and advanced step editing. Best used within an AUv3 host app for sound generation.
- 8 MIDI outputs
- 64 Patterns with 16 Lanes each
- Customizable Steps and Step Size per Lane
- Advanced Step Parameters (Pitch, Velocity, Probability, etc.)
- Flexible Editor with Step Entry Keyboard
- 32 Clips with Repeat Functionality
- Performance Tab with Assignable Sliders and Morphing
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*** Note *** Although mKer can run as a stand-alone app, the recommended way to use it is as an AUv3 plugin from inside a suitable AU Host app that supports MIDI Processors such as AUM, Audiobus, Cubasis etc. Please also note that mKer is a MIDI app/plugin. That means that it does not produce sound itself - it needs to be connected to an audio source that can receive MIDI. mKer is a versatile, multi-output MIDI step sequencer with an extensive range of features. These include: - 8 MIDI outputs - 64 Patterns - 16 Lanes (aka tracks) per Pattern - Independent number of Steps (1-32) and Step Size (1/64-256 beats) per Lane per Pattern - Every step can play either a single note, an interval (2 notes) or a chord (3 or 4 notes) - Lane Step parameters: Play Cycles, Skip Cycles, Play Offset Cycles, Pitch, Velocity, Probability, Offset (can be used for ‘swing’ like effects), Repeat (rachet) and Gate - A flexible Editor that includes a step entry keyboard, parameter sliders and a variety of options and utilities designed for to make the workflow intuitive and fast - 32 Clips with 1-8 Steps per Clip, 1-128 repeats per step (every clip step has one pattern) - 3 Play Modes: Pattern, Clip, Sequence (all Clips) - A Performance tab with 10 fully assignable MIDI sliders, a 12-snapshot bank and morphing function between the snapshots... - MIDI step input and real-time recording - 12-track beat generator with six genres, density, intensity and GM beat mapping ... and more!
Screenshots
Verdict
The clearest difference is rating: mKer at 4.5 against Chomplr's 4.0. mKer also leads on in-app purchases (none vs 20) and price ($3.99 vs $4.99). Chomplr's advantage is update cadence (every 3 days vs every 3 weeks) and ratings volume (102 vs 22). On review sentiment and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Chomplr costs $4.99 and mKer $3.99 up front. Chomplr sells 20 one-off in-app purchases. mKer asks for nothing beyond the download.
mKer holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 102 and 22 respectively. Written reviews point the same way: 56% of Chomplr's written reviews are positive against 64% of mKer's.
Chomplr ships an update every 3 days, mKer every 3 weeks. Both last shipped on October 6, 2026.
| Parameter | Chomplr | mKer |
|---|---|---|
| Price | $4.99 | $3.99 — better |
| Rating | 4.0 (102 ratings) | 4.5 (22 ratings) — better |
| Positive reviews | 56.3% of reviews | 63.6% of reviews — better |
| Number of ratings | 102 — better | 22 |
| Update frequency | Every 3 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 1.3 GB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | MSXII Sound Design | Axart Labs OU |
Customer experience
Chomplr
mKer
Bugs and requests
Chomplr
Reported bugs
19 issues- Store update not working
- UI chopped off on iPad Mini
- Purchased sound packs not accessible after reinstall
- Purchased sound packs disappear
- Glitchy in GarageBand, loses trigger points
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- Dropped triggers randomly
- Purchased samples not loading
- Play button doesn't work in shop
- Crashes when opening store
- Packs won't download, appear and disappear
- Selecting ranges (start/end points) jumps
- Purchased samples don't load after changing iPads
- App crashes after 30-40 mins standalone
- UI out of place in Key Settings on iPhone
- Option to delete imported sample is greyed out
- Restore purchases not working
- App crashes when launching sample purchase feature
- State saving issues (samples changed after reload)
- Connectivity issues with Audiobus
Requested features
21 requests- Ability to cut samples within the app
- Add new sample packs
- Velocity sensitivity for MIDI controllers
- Save and share projects
- Save favorite selections in browser
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- Rename samples in browser
- Search bar in browser
- Ability to save project state/chop edits
- Zoom in on waveform
- Record button
- MIDI Learn for controllers
- User sample import (major request)
- Snap to zero crossing for chop points
- Pinch to zoom waveform
- More keys on keyboard view
- More effects/resampling
- Organize samples by BPM and key
- Cloud-based file size reduction
- Connect Bluetooth MIDI controllers
- Basic transient detect function
- Pads option instead of keyboard
mKer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Chomplr
- Power Play Sessions$0.99
- Strummed Soul Vol.1$0.99
- Loops from 1984 Vol.1$0.99
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- Circa 1996$0.99
- Lofi Jazz Guitar v2$0.99
- Synthesized Soul 2$0.99
- Psychedelic Soul Vol. 2$0.99
- Trap Melodics v1$0.99
- Bungalow Drums 2$0.99
- Muted Horns Loop Pack 2$0.99
- Lofi Jazz Guitar Vol.1$0.99
- Muted Horns Loop Pack 1$0.99
- Trap Melodics v3$0.99
- 70's Soul Aesthetcis$1.99
- Cassettes & Pedals Vol.1$1.99
- Ivory Soul Vol.1$1.99
- Black Luxury Collection 1$1.99
- Lo-Fly Drums Vol. 1$1.99
- Pro Feature-Sample Import$2.99
- Cassettes & Pedals Vol.2$2.99
mKer
No in-app purchases









